车间空气中萤石混合性粉尘卫生标准 meaning in English
hygienic standard for mixed dust from fluorspar in the air of workplace
Examples
- Hygienic standard for mixed dust from fluorspar in the air of workplace
车间空气中萤石混合性粉尘卫生标准
hygienic standard for mixed dust from fluorspar in the air of workplace